professor robert bea, the eminent engineer who analyzed the "columbia" space shuttle and hurricane katrina disasters. who's responsible? >> robert bea: b.p. >> pelley: the government agrees. on thursday, the department of justice announced $4.5 billion in penalties against the oil company, including $1.3 billion in criminal fines, the most in history. two b.p. supervisors have been indicted for manslaughter. and the company has agreed to plead guilty to felony misconduct charges. all this, in addition to billions in civil claims against b.p. i'm scott pelley. we'll be back next week with another edition of "60 minutes," and i'll see you tomorrow on the "cbs evening news." captioning funded by cbs, and ford-- built for the road ahead. i put away money. i was 21, so i said, "hmm, i want to retire at 55." and before you know it, i'm 58 years old. time went by very fast. it goes by too, too fast. ♪ but i would do it again in a heartbeat. [ laughs ] ♪ ♪ ♪ it's "go" time.. this is no ordinary thanksgiving. sears black friday doorbusters start 8pm thursday, going all night with more doorb